Question: Who is C. V. Raman's doctor
Paraphrase: Which doctor has C.V. Raman as a patient?
SPARQL (Wikidata):  select distinct ?sbj where { ?sbj wdt:P184 wd:Q60429 . ?sbj wdt:P31 wd:Q5 } 
Answer: Vikram Sarabhai, G. N. Ramachandran, S. Pancharatnam